A bibliometric study of publication patterns in access to medicines research in developing countries.

South Med Rev · 2010 · PMC3471169 · PMID 23093876

Europe PMC

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an increasing trendno p-value reported

Although an increasing trend in the number of publications per year was found, the increase was relatively small and variable over a 10-year period.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.